19889704

素因数分解:

$2^3\times {\mathrm{211}}^1\times {\mathrm{11783}}^1$

素因数の和:12000

約数の個数: 16

約数和(自身を含む): 37473120

約数和(自身を除く): 17583416

約数列:

[1, 2, 4, 8, 211, 422, 844, 1688, 11783, 23566, 47132, 94264, 2486213, 4972426, 9944852, 19889704]

約数ペア:

[(1, 19889704), (2, 9944852), (4, 4972426), (8, 2486213), (211, 94264), (422, 47132), (844, 23566), (1688, 11783)]